Add downshift installer

diff --git a/install/downshift.sh b/install/downshift.sh
new file mode 100755 (executable)
index 0000000..015038a
--- /dev/null
+++ b/install/downshift.sh
@@ -0,0 +1,5 @@
+if [ ! -d ~/src/down-shift ]; then
+       mkdir -p ~/src
+       cd ~/src
+       git clone git@codeberg.org:/edthedev/down-shift.git
+fi